Possible causes of automatic transmission kicking when shifting gears:
*Lack of transmission fluid: Make sure the fluid level in the automatic transmission is correct.
* Dirty or burnt-out transmission fluid: Replace transmission fluid and filter regularly according to manufacturer’s recommendations.
* Worn clutches or steel plates: Over time, clutches and steel plates wear out, leading to slipping and kicking.
* Clogged or faulty valve body: The valve body controls the flow of transmission fluid and can cause kicking.
* Worn Solenoids: The solenoids activate the valve body and failure can cause kicking.
* Faulty Speed Sensor: The speed sensor transmits transmission speed information to the ECU, which then adjusts gear shifting.
* Faulty ECU: The ECU controls the automatic transmission and can cause kicking if it is faulty.
* Mechanical problems: Worn gears or bearings can also cause the automatic transmission to kick.
Corrective Action:
1. Check the automatic transmission fluid level: Make sure the fluid level is correct, adding more if necessary.
2. Replace transmission fluid and filter: Regularly changing the fluid and filter can prevent component wear and kicking.
3. Repair or replace worn components: If clutches, steel plates, valve body, solenoids or gears are worn, they will need to be repaired or replaced.
4. Reset automatic transmission adaptations: Some automatic transmissions have adaptive functions that can be reset, which can solve shifting problems.
5. Check and troubleshoot sensors and ECU: Use a diagnostic scanner to check and repair speed sensors or ECU.
6. Contact a qualified specialist: If the kicks cannot be eliminated on your own, contact a car service for further diagnosis and repair.